MTV312MV64

U Monitor Controller Flash Type with ISP 8051 Embedded 4 t GENERAL DESCRIPTIONS The MTV312M micro-controller is an 8051 CPU core embedded device especially tailored for CRT/LCD Monitor applications. It includes an 8051 CPU core, 1024-byte SRAM, 14 built-in PWM DACs, VESA DDC interface, 4-channel A/D converter, and a 64Kbyte internal program Flash-ROM. . m o c MTV312M64 w w w .D a S a t e e h BLOCK DIAGRAM P1.0-7 P3.0-2 P3.4-5 P0.0-7 P2.0-3 RD WR ALE INT1 8051 CORE RST X1 X2 w P6.0-7 P5.0-6 P4.0-2 w w .D t a P0.0-7 P2.0-3 S a e h FEATURES 8051 core, 12MHz operating frequency with double CPU clock option 0.35um process; 5V/3.3V power supply and I/O; 3.3V core operating 1024-byte RAM; 64K-byte program Flash-ROM support In System Programming (ISP) Maximum 14 channels of PWM DAC Maximum 31 I/O pins SYNC processor for composite separation/insertion, H/V polarity/frequency check and polarity adjustment Built-in low power reset circuit Built-in self-test pattern generator with four freerunning timings Compliant with VESA DDC1/2B/2Bi/2B+ standard Dual slave IIC addresses; H/W auto transfer DDC1/DDC2x data Single master IIC interface for internal device communication Maximum 4-channel 6-bit ADC Watchdog timer with programmable interval Flash-ROM program code protection selection 40-pin DIP, 42-pin SDIP or 44-pin PLCC package t e U 4 .c m o RD WR ALE INT1 XFR AUXRAM & DDCRAM AD0-3 ADC H/VSYNC CONTROL HSYNC VSYNC HBLANK VBLA...